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How often should Cyonara 9.7 be applied?

I sprayed around the perimeter of the house and in the boiler room mostly for crickets, but also for spiders and the infrequent American cockroach.

Answer:

Cyonara is formulated to last up to 90 days, however for optimum results we recommend you apply at least every 45 days. Most liquid insecticides will last 60 - 90 days inside a home, but when you apply them outside and they are exposed to UV light, they breakdown much quicker and typically may only last about 30 days.